<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="UTF-8">
<script>

function f()
{
    function spin() {
        for (var i = 0; i < 8; ++i) {
            var x = new XMLHttpRequest();
            x.open('GET', 'data:text/html,' + i, false);
            x.send();
        }
    }

    window.addEventListener("popstate", spin, false);
    window.close();
    window.location = "#c";
    finish();
}

function init()
{
  SpecialPowers.pushPrefEnv({"set": [
    ["security.data_uri.block_toplevel_data_uri_navigations", false],
  ]}, start);

}

function start()
{
    var html = "<script>" + f + "<\/script><body onload=f()>";
    var win = window.open("data:text/html," + encodeURIComponent(html), null, "width=300,height=300");
    win.finish = function() { document.documentElement.removeAttribute("class"); };
}

</script>
</head>
<body onload="init();"></body>
</html>
